| <!-- |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with |
| the License. You may obtain a copy of the License at |
| http://www.apache.org/licenses/LICENSE-2.0 |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| --> |
| <html> |
| <head> |
| <script |
| src="../../build/userale-2.4.0.min.js" |
| data-url="" |
| data-tool="Apache UserALE.js Example" |
| data-threshold="1" |
| data-interval="100" |
| ></script> |
| </head> |
| <body> |
| <div class="new-feature-button"> |
| <canvas id="myCanvas" data-name="{"name": "John Doe"}" width="200" height="100" style="border:1px solid #000000;"> |
| </canvas> |
| </div> |
| </body> |
| <script> |
| /** |
| * Builds an object containing attributes of an element. |
| * Attempts to parse all attribute values as JSON text. |
| * @param {Object} e Event from which the target elemnet's attributes should be extracted from. |
| * @return {Object} Object with element attributes as key value pairs. |
| */ |
| function buildAttrs(e) { |
| let attributes = {}; |
| let attributeBlackList = ["style"]; |
| if(e.target && e.target instanceof Element) { |
| for(attr of e.target.attributes) { |
| if(attributeBlackList.includes(attr.name)) |
| continue; |
| let val = attr.value; |
| try { |
| val = JSON.parse(val); |
| } catch (error) {} |
| attributes[attr.name] = val; |
| } |
| } |
| return attributes; |
| } |
| |
| /** |
| * Builds an object containing all css properties of an element. |
| * @param {Object} e Event from which the target elemnet's properties should be extracted from. |
| * @return {Object} Object with all CSS properties as key value pairs. |
| */ |
| export function buildCSS(e) { |
| let properties = {}; |
| if(e.target && e.target instanceof Element) { |
| let styleObj = e.target.style |
| for(prop of styleObj) { |
| properties[prop] = styleObj.getPropertyValue(prop); |
| } |
| } |
| return properties; |
| } |
| |
| window.userale.addCallbacks({ |
| map(log, e) { |
| return { |
| ...log, |
| attributes: buildAttrs(e), |
| style : buildCSS(e), |
| logType: 'custom', |
| }; |
| } |
| }); |
| </script> |
| </html> |
